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The researcher changed the concentration

The researcher changed the concentration of sodium thiosulfate in each group. So, is the concentration the independent variable
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2. asked by no
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In a scientific experiment, what is the independent variable?(1 point) Responses The factor that is deliberately changed or
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A researcher studies a population of fish kept in an aquarium. The diagram shows the nitrogen cycle in the aquarium.A high
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If a researcher needs 0.50 L of 3.0 M nitrite buffer at pH 3.00, then she knows that the concentration of nitrous acid
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2. asked by Mike
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How can we calculate the HCO3- (bicarbonate ion) concentration in water in 25C pH7.0?I think we can use PV=nRT equation, but I
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2. asked by Anonymous
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Sunil just completed a task assigned by the researcher. He then meets with the researcher, who tells him that the purpose of the
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2. asked by zaynab
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A researcher surveyed 100 elderly people. For each person the researcher conducted a questionnaire that measures their level of
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A researcher is interested in whether people have psychic abilities (ESP). He conducts an ESP experiment in which a person
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A researcher is interested in whether people have psychic abilities (ESP). He conducts an ESP experiment in which a person
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A consumer researcher wants to test the product claims. The researcher purchases 15 randomlyselected refrigerators and sets them
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2. asked by km
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